FeaturesHandle ensures a better, and more comfortable, gripBuilt in power bank to charge phoneInbuilt fan 2 metal sensitive trigger buttons to control the gameSupports all iOS/Android phones 4,5-6,5” screensAttach your phone, spit in your hands and game on with the Gadget Monster Mobile Gaming Accessory! The inbuilt fan will help your hands to cool off and the handle ensures you get a better and more comfortable grip when you play! Charge the phone with the built-in power bank if needed to help keep the fun going!